Lewis Carroll’s best-known work may hold traces of his beliefs as an Oxford maths professor. Marrying imagination with logic, ...

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Unlike other puzzles that might rely on wordplay or pattern recognition, logic puzzles demand a structured approach, where every step must be carefully considered. They push you to think outside ...

No specialist knowledge or memory is required, just the ability to put the facts together and reach a satisfying conclusion. Logic Problems magazine has been a popular puzzle magazine for over 20 ...

The best free PDF readers are the perfect companion when you need to read a digital document but don't want to subscribe to a service. These are the programs we recommend. Our team of reviewers ...

The best PDF readers for Windows offer an enhanced on-screen reading experience for all kinds of files - but they also come with plenty of other document management and modification tools.

The mathematician Daniel Litt has driven social media users to distraction with a series of simple-seeming but counterintuitive probability puzzles. In late January, Daniel Litt posed an innocent ...

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Want to turn a static PDF into a fillable form for data collection purposes? You don’t need a pricey subscription to Adobe Acrobat for that – just read through ...

pdfcpu is a PDF processing library written in Go that supports encryption and offers both an API and a command-line interface (CLI). It is compatible with all PDF versions with basic support and ...

This journal utilises an Online Peer Review Service (OPRS) for submissions. By clicking "Continue" you will be taken to our partner site https://ef.msp.org/submit/asl ...

Doherty, Bob and Smith, Alastair Michael 2013. What does it mean to do fair trade?. Social Enterprise Journal, Vol. 9, Issue. 1, p. 53.